10320331203220 has 12 divisors (see below), whose sum is σ = 21672695526804. Its totient is φ = 4128132481280.

The previous prime is 10320331203179. The next prime is 10320331203227. The reversal of 10320331203220 is 2230213302301.

It can be written as a sum of positive squares in 2 ways, for example, as 6647795902224 + 3672535300996 = 2578332^2 + 1916386^2 .

It is a super-2 number, since 2×10320331203220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10320331203191 and 10320331203200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320331203227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258008280061 + ... + 258008280100.

It is an arithmetic number, because the mean of its divisors is an integer number (1806057960567).

Almost surely, 2^{10320331203220} is an apocalyptic number.

10320331203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320331203220 is an abundant number, since it is smaller than the sum of its proper divisors (11352364323584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10320331203220 is a wasteful number, since it uses less digits than its factorization.

10320331203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516016560170 (or 516016560168 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 10320331203220 its reverse (2230213302301), we get a palindrome (12550544505521).

The spelling of 10320331203220 in words is "ten trillion, three hundred twenty billion, three hundred thirty-one million, two hundred three thousand, two hundred twenty".